Umland, A. (2011). Picasso Guitars: 1912 - 1914 / Anne Umland. The Museum of Modern Art, New York. Museum of Modern Art.
Lua i Stíl Chicago (17ú heag.)Umland, Anne. Picasso Guitars: 1912 - 1914 / Anne Umland. The Museum of Modern Art, New York. New York: Museum of Modern Art, 2011.
Lua MLA (8ú heag.)Umland, Anne. Picasso Guitars: 1912 - 1914 / Anne Umland. The Museum of Modern Art, New York. Museum of Modern Art, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.